BirdAnalyst
BBS Route · Colorado · BCR 16

Buffalo Park Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 32 survey years, still active.

95Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2025Span
4Observers

Bird Species Found on Colorado Buffalo Park

Top 40 of 95 species by most recent count. Each links to its species trend.

Species recorded on the Buffalo Park route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Lincoln's SparrowPasserellidae272025+300%1994
American RobinTurdidae232025+146%1994
White-crowned SparrowPasserellidae202025+208%1994
Ruby-crowned KingletRegulidae182025+101%1994
Hermit ThrushTurdidae182025+98%1994
Western TanagerCardinalidae17202516×1995
Pine SiskinFringillidae142025+51%1994
Black-billed MagpieCorvidae122023+667%1995
Chipping SparrowPasserellidae122025+206%1994
Mourning DoveColumbidae112025+56%1994
Red CrossbillFringillidae102025+24%1994
Green-tailed TowheePasserellidae92025+138%1994
Warbling VireoVireonidae92025+425%1995
Brewer's SparrowPasserellidae72023+7%1994
Spotted TowheePasserellidae62023+80%2010
American GoldfinchFringillidae62023+180%2015
Brewer's BlackbirdIcteridae62023n/an/a
Western Wood-PeweeTyrannidae52025+82%1994
Red-breasted NuthatchSittidae52023-66%1994
Mountain ChickadeeParidae52025+80%1994
Common RavenCorvidae42025+633%1994
Townsend's SolitaireTurdidae42025+200%1995
Wilson's WarblerParulidae42023+42%1995
Turkey VultureCathartidae42022+200%2010
Savannah SparrowPasserellidae42023-22%2009
Woodhouse's Scrub-JayCorvidae42023n/an/a
Wilson's SnipeScolopacidae32023+267%1994
Brown-headed CowbirdIcteridae32023+17%1994
Pine GrosbeakFringillidae32023-50%1994
Northern House WrenTroglodytidae32025+350%1994
Black-capped ChickadeeParidae32023+150%2000
Red-winged BlackbirdIcteridae32023+186%2005
Western MeadowlarkIcteridae32022+200%1996
White-breasted NuthatchSittidae32023+80%2006
Hairy WoodpeckerPicidae22025+67%2002
Broad-tailed HummingbirdTrochilidae22025+100%1994
Canada JayCorvidae22025+12%1994
American CrowCorvidae22025+225%2003
Clark's NutcrackerCorvidae22025+250%1994
Cassin's FinchFringillidae22025+82%1994

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.